FR1537880A - Afocal device for periscope or monobloe observation window - Google Patents
Afocal device for periscope or monobloe observation windowInfo
- Publication number
- FR1537880A FR1537880A FR114708A FR114708A FR1537880A FR 1537880 A FR1537880 A FR 1537880A FR 114708 A FR114708 A FR 114708A FR 114708 A FR114708 A FR 114708A FR 1537880 A FR1537880 A FR 1537880A
- Authority
- FR
- France
- Prior art keywords
- monobloe
- periscope
- observation window
- afocal device
- afocal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/008—Systems specially adapted to form image relays or chained systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0804—Catadioptric systems using two curved mirrors
- G02B17/0816—Catadioptric systems using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR114708A FR1537880A (en) | 1967-07-18 | 1967-07-18 | Afocal device for periscope or monobloe observation window |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR114708A FR1537880A (en) | 1967-07-18 | 1967-07-18 | Afocal device for periscope or monobloe observation window |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1537880A true FR1537880A (en) | 1968-08-30 |
Family
ID=8635310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR114708A Expired FR1537880A (en) | 1967-07-18 | 1967-07-18 | Afocal device for periscope or monobloe observation window |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1537880A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2124174A1 (en) * | 1971-02-10 | 1972-09-22 | Clave Serge | Afocal optical system - for portholes and periscopes |
-
1967
- 1967-07-18 FR FR114708A patent/FR1537880A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2124174A1 (en) * | 1971-02-10 | 1972-09-22 | Clave Serge | Afocal optical system - for portholes and periscopes |
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